994K Large Wheel Loader

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METRIC

994K

OVERVIEW

BENEFITS

FEATURES AT A GLANCE

SPECIFICATIONS

TOOLS AND EXPERT HELP

PRODUCT BROCHURES AND DOWNLOADS

MEDIA GALLERY

KEY SPECS

Net Power 1297kW1739hp
Engine Model Cat® 3516E
Bore 170mm6.7in

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OVERVIEW

BENEFITS

FEATURES AT A GLANCE

Structures

Your bottom line is improved by highly durable structures that achieve multiple life cycles and withstand the toughest loading conditions.
Full box-section rear frame resists torsional shock and twisting forces to maximize life of mounted components.
Frames utilize castings in key areas to maximize frame durability and optimize efficiency.
Rear axle mounting to frame optimized to better disperse loads for increased structural integrity.

Your key to maximum uptime and productivity is our field-proven lift arms.

Excellent visibility to the bucket edges and work area through a Z-bar design.
High load stresses are absorbed by the solid steel lift arms.
Enhanced strength in key pin areas through the use of one piece castings.
Stress relieved lift arms increase durability.

To ensure long life and reliability, the linkage pin joints feature a greased pin design and standard automatic lubrication system

Power Train

Lower your cost per ton utilizing advanced ICTC and RCS for modulated rimpull.

Reduce tire slippage and wear by modulating rimpull from 100 to 25 percent while depressing left pedal. After 25 percent rimpull is achieved the left pedal applies the brake.
Reduce the potential for wheel slippage without reducing hydraulic efficiency with RCS.
Improve fuel efficiency in certain applications with our lock-up clutch torque converter providing direct drive

Experience maximum responsiveness and control with STIC that combines directional selection, gear selection and steering into a single lever.

Simple side-to-side motion turns machine right or left, minimizing operator movements.
Easy to operate finger controlled gear selection.
Smoother, faster cycles and less operator fatigue through the use of low effort integrated controls.

Building your success begins with a best-in-class transmission designed specifically for mining applications.

Consistent, smooth shifting and efficiency through integrated electronic controls.
Long life and reliability through heat treated gears.
Three forward and three reverse speeds to match your application.

Durability and reliability continues in the 994K with the proven 3500 Series engines. At the heart of the 994K is the new 3516E engine. Optimum performance is built in through the use of a 16-cylinder, four-stroke design.

On-demand performance through the use of turbochargers and aftercoolers.
High Torque Rise – 39% torque rise ensures high lugging forces during digging and acceleration in high rimpull conditions.
Extended engine life through a longer stroke and lower rpm ratings.
Quick engine response through the use of electronic controls.

Enabling maximum productivity and efficiency, all day every day. The 994K systems work hard to save you fuel through advanced technologies. Utilizing On Demand Throttle, operators maintain normal operation with the left pedal and implements while the 994K manages the engine speed.

Provides similar control and feel to our traditional throttle lock feature.
Efficiency of manual throttle and the ergonomics of throttle lock.

Hydraulics

Increase efficiency through our Positive Flow Control (PFC) Hydraulic System. PFC has concurrent pump and valve control. By optimizing pump control, hydraulic oil flow is proportionate to implement lever movement.
Fast, productive cycles enabled by four electronically controlled, fully variable piston pumps.
Increased bucket feel and control.
Consistent performance and efficiency with lower system heat.

Increase operator productivity with these implement features.
Operate comfortably through electronically controlled hydraulic cylinder stops.
Handle easy-to-use soft detent controls.
Conveniently set automatic implement kickouts from inside the cab.
Joystick or single axis levers now available.

Confident loader operation starts with precise machine control enabled by the 994K's load sensing hydraulic steering system.
Efficient variable displacement piston pumps.
Achieve precise positioning for easy loading in tight areas with 40 degrees of steering articulation.
Enhance operator comfort with integrated steering and transmission control functions.

Benefit from extended performance and reliability of your hydraulic system with our advanced filtration system.
Lift/tilt case drain filters.
Lift/tilt high pressure screens.
Steering case drain filters.
Steering high pressure screens.
Hydraulic case drain filters.
Power train filters for transmission, torque converter, and pump drives.
Front and rear brake oil screens.

A standard demand fan to improve efficiency and cooling performance.
Optional high ambient package for hot climate conditions.
Optional fan control to enable proper cooling performance in cold weather.

Operator Station

Your operators can work more efficiently and stay comfortable with our customer-inspired cab features.
Enhance comfort and reduce operator fatigue with Cat Comfort Series III seat.

Available heated and ventilated seat featuring leather seat bolster surfaces.
High back design and extra thick, contoured cushions.
Air suspension system.
Easy-to-reach seat levers and controls for six way adjustments.
Seat-mounted implement pod and STIC steer that moves with the seat.
76 mm (3 in) wide retractable seat belt.
Fold up STIC steer/armrest.

Conveniently train other operators in comfort with our standard training seat.

76 mm (3 in) wide, retractable seat belt.
Fold-down design with molded drink tray and storage.

Your operator's productivity is enhanced with our clean, comfortable cab environment.

Experience reduced vibrations from viscous cab mounts and air seat suspension.
Maintain desired cab temperature with automatic temperature controls.
Pressurized cab with pressure indicator.
Low operator sound levels.
Available heated and ventilated seats featuring leather covered seat bolster and headrest.

Technology Solutions

Integrated electronics provide flexible levels of information to both the site and the operator. This integration creates a smart machine and more informed operator, maximizing the productivity of both.

We have worked hard to help our customers and operators perform at their best through our newly upgraded touch screen information display.
Intuitive operation and easy navigation with our enhanced user interface.
Decrease service time by keeping operators informed about machine systems.

Connect directly to the machine for access to a wide range of sensor information and enhanced machine data.
Create productivity reports with payload and work cycle segmentation.
Identify operator training needs through productivity data.
Detailed data logging of machine parameters and diagnostic codes.
Track machine sensor information with trend analysis and histograms to monitor machine health.

Cat Production Measurement brings payload weighing to the cab so operators can work more productively and deliver accurate loads with confidence. CPM brings advanced weighing modes which assist with payload accuracy and speed the loading cycle.

Cat MineStar System

Cat MineStar System is the industry's broadest suite of integrated mine operations and mobile equipment management technologies, configurable to suit your operation's needs. Its capability sets – Fleet, Terrain, Detect, Health and Command – contain a range of technologies that let you manage everything from fleet assignment and condition monitoring to remote and autonomous control. The 994K can take advantage of many of these advanced technologies, some of which are standard out of the factory.
Fleet provides comprehensive, real-time machine tracking, assignment and productivity management, giving you a comprehensive overview of all operations from anywhere in the world.
Terrain with your 994K enables high-precision management of loading operations through the use of guidance technology. It increases 994K's productivity and provides you real-time feedback for improved efficiency.
Detect helps increase operator awareness, enhancing safety at your operation. It includes a range of capabilities designed to assist the operator with areas of limited visibility around fixed and mobile equipment.
Health delivers critical event-based machine condition and operating data for your entire fleet. It includes comprehensive equipment health and asset monitoring capabilities, with a wide range of diagnostic, analytic and reporting tools.

Safety

We are constantly improving our products in an effort to provide a safe work environment for the operator and those who work on your job site.

Wider stairs with 45 degree angles provide easy access for operators getting on and off the 994K.
Wide walkways with non-skid surfaces and integrated lock out/tag out points are designed into the service areas.
Windshield cleaning platforms provide safe and convenient access for the operator.
Maintain three points of contact at all times through ground level or platform accessible service areas.
Emergency egress ladder provides a third exit, if needed.

Cat Detect, which includes Cat Vision plus an optional object detection radar system, enhances operator awareness around the machine.
Standard LED lights provide excellent workspace visibility.
LED warning lights, programmable for site-specific signaling.
Six mirror system improves operator line of sight to the side and rear of the machine. Heated option also available.
Standard pull down window shade.
Higher cab position for improved visibility during truck loading operations.

Viscous cab mounts and seat air suspension reduce vibrations from the machine to the operator.
Low interior sound levels.
Standard 76 mm (3 in) seat belt with minder.
Optional 4 point harness with minder.
Operator training seat with standard 76 mm (3 in) seat belt facilitates convenient new operator training.

The Cat powered access system allows easier access to the primary stairs by improving ingress and egress to and from the rear platform.

Safe, ergonomic access system.
All operators have adequate space when using the wide stairway.
Operators maintain three-point contact when using full handrails on each side.
Raise and lower stairs from cab level or ground.

Serviceability

The standard, comprehensive filtration system maintains clean fluids to enable high component reliability.
Safe and convenient service with ground level or platform access and grouped service points.
Swing-out doors on both sides of the engine compartment provide easy access to important daily service checks.
Ecology drains for ease of service and prevention of spills.
Centralized remote pressure taps.
Reduce downtime with VIMS system notifications so your operators and technicians can resolve any problems before failure.
Powered fresh air filter extends cab filter life.
Optional lighting for main service compartments.

Customer Support

A valued partner, your Cat dealer is available whenever you need them.

- Preventive maintenance programs and guaranteed maintenance contracts.
- Best-in-class parts availability.
- Improve your efficiency with operator training.
- Genuine Cat Remanufactured parts.

Sustainability

Environmental responsibility is designed and built into our 994K's features.

Increased fuel efficiency results in less fuel consumption and fewer emissions than mechanical drive counterparts.
Engine Idle Shutdown can help you save fuel by avoiding unnecessary idling.
Built for multiple lives, the Cat 994 is one of the most rebuilt products. To assist with maximizing machine life, Caterpillar provides a number of sustainable options such as our Reman and Certified Rebuild programs. In these programs, reused or remanufactured components can deliver cost savings of 40 to 70 percent, which lowers operating cost while reducing waste to help conserve natural resources.
Caterpillar offers retrofit packages to bring new features to older machines, maximizing your resource. When you go through the Cat Certified Rebuild program, these retrofit kits are part of the rebuild process.
Fluids are better controlled through use of Cat anti-drain filter housings and component ecology drains.

Buckets and Ground Engaging Tools

Performance Series Buckets are designed for superior performance in a variety of materials. They are engineered to dig into piles quickly and load efficiently. Fill factors are up to 115% so you can get your job done and move on to other tasks. Fast load cycles and fewer trips mean less wear and tear on your machine and keep you working. The buckets below are part of the Performance Series line. They come in different capacities and widths to fit your loading and carrying needs.
Designed for use in bank or face loading of limestone and other unprocessed rock. Application also includes truck and hopper loading for a wide range of quarry materials. GET includes spade nose cutting edge with adapters, half arrow segments, bottom wear plates, boxed wings and side bar protectors.
Designed for use in applications like face loading tightly compacted pit materials or handling materials of moderate abrasion and high impacts. GET are similar to the rock bucket with the additions of cutting edge shrouds and Mechanically Attached Wear Plate system (MAWPs) on wings and underneath the bucket. Base edge end protection, ski plates, additional side wear plates and an extra set of side bar protectors are also included.
Designed for use in extremely aggressive applications like face loading. They are built for high abrasion and moderate impact. GET are the same as Heavy Duty Rock buckets, except smaller in bucket capacity to accommodate for the higher density.
Designed for use in applications with light density and non-abrasive materials. GET includes a straight base edge with adapters and half arrow segments.
Protect expensive components. Reduce your operating costs. Get the most out of your machine's performance. Choose from a variety of performance-built GET like these to meet your application requirements.

CapSure™ Tip Option: Heavy Duty Tip
CapSure Tip Option: Heavy Abrasion Tip
CapSure Tip Option: Coal Tip
CapSure Tip Option: Heavy Penetration Tip
Edge Protection Option: CapSure Shrouds
Edge Protection Option: Half Arrow Segment
CapSure Sidebar Protector
MAWPs – on Side and Bottom
Base End Edge Protector
Adapter Top Cover

Please check out our Parts Catalog for more GET options.
Simplify GET component replacement with hammerless CapSure retention for fast, easy and safe installation. CapSure tips, shrouds and sidebar protectors are easily locked and unlocked with a 180 degree turn of a 3∕4 inch ratchet.

System Match Efficiency

The standard 994K is sized to load the 136 tonnes (150 ton) 785 in four passes. The 994K standard lift loads the 177 tonnes (195 ton) 789 in five passes, and loads the 227 tonnes (240 ton) 793 in six passes.
For full truck payloads with minimum loading time, an efficient loading/hauling system starts with a perfect match. Cat wheel loaders are matched with Cat mining trucks to maximize volume of material moved at the lowest operating cost per ton.
Selection of the right bucket depends on penetration requirements, material densities, abrasion, and the loading target. Bucket sizes are matched to truck bed capacities and material densities for optimum loading efficiency and greater productivity.

SPECIFICATIONS

Net Power 1297kW1739hp
Engine Model Cat® 3516E
Bore 170mm6.7in
Stroke 215mm8.5in
Displacement 78.1l4766in³
Rated Speed 1,600 rpm
Emissions U.S. EPA Tier 4 Final/EU Stage IV* or U.S. EPA Tier 1/EU Stage I Equivalent
Gross Power - SAE J1995 1394kW1870hp
Peak Torque - 1,200 rpm - SAE J1995 11591N·m8549lb/ft
Gross Power - ISO 14396 1377kW1847hp
Torque Rise 39%
Net Power - SAE J1349 - Standard Ambient 1297kW1739hp
Operating Weight 242605kg534852lb
Bucket Capacity Range 17.2 - 43.6 m³ (22.3 - 57 yd³)
Rated Payload - Standard Lift (Moderate to High Digging Resistance) 40.8t45ton (US)
Rated Payload - Standard Lift (Low to Moderate Digging Resistance) 54.4t60ton (US)
Rated Payload - High Lift (Moderate to High Digging Resistance) 38.1t42ton (US)
Rated Payload - High Lift (Low to Moderate Digging Resistance) 49.9t55ton (US)
Bucket Capacity Range - Iron Ore 17.2 - 21.4 m³ (22.3 - 28 yd³)
Bucket Capacity Range - Rock 19.1 - 29.1 m³ (25 - 38 yd³)
Bucket Capacity Range - Coal 32.1 - 43.6 m³ (42 - 57 yd³)
Note *In Low to Moderate Digging Resistance: please contact your local dealer to determine if your application is suitable for this increased rated payload
Transmission Type Cat Planetary Power Shift
Forward - 1 7.4km/h4.6mile/h
Forward - 2 12.9km/h8mile/h
Forward - 3 21.9km/h13.6mile/h
Reverse - 1 8.1km/h5mile/h
Reverse - 2 14.1km/h8.8mile/h
Reverse - 3 24km/h14.9mile/h
Direct Drive - Forward 3 24.5km/h15.2mile/h
Direct Drive - Reverse 3 27km/h16.8mile/h
Direct Drive - Reverse 1 Lock-up disables
Direct Drive - Forward 2 14km/h8.7mile/h
Direct Drive - Reverse 2 15.5km/h9.6mile/h
Direct Drive - Forward 1 Lock-up disables
Relief Valve Setting - Lift/Tilt 32500kPa4587psi
Maximum Flow at 1,700 rpm Engine Speed 2047l/min541gal/min
Cylinders, Double Acting - Tilt, Bore and Stroke 310 × 1086 mm (12.2 × 42.8 in)
Cylinders, Double Acting - Lift, Bore and Stroke 370 × 1713 mm (14.6 × 67.4 in)
Pilot System Open Loop and Pressure Reducing
Lift/Tilt System - Pump Variable Displacement Piston
Lift/Tilt System - Circuit Positive Flow Control
Raise 12.6s12.6s
Dump 3.1s3.1s
Rack Back 4.9s4.9s
Lower Float Down 4.2s4.2s
Hydraulic Tank - Steering and Braking 379l100gal (US)
Transmission 416l110gal (US)
Fuel Tank - Standard 3445l910gal (US)
Hydraulic Tank - Implement and Hydraulic Fan 1022l270gal (US)
Engine Crankcase 288l76gal (US)
Cooling System 520l138gal (US)
Fuel Tank - With 24 hr Attachment 5678l1500gal (US)
Differential - Final Drives - Rear 757l200gal (US)
Differential - Final Drives - Front 833l220gal (US)
Bucket Capacities 19.1-43.6 m3 (25-57 yd3)
Front Fixed
Rear Trunnion
Oscillation Angle 9°
Brakes ISO 3450:2011
Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent 72dB(A)72dB(A)
Machine Sound Level (ISO 6395:2008) 119dB(A)119dB(A)
Operator Sound Level (ISO 6396:2008) - Tier 4 Final/EU Stage IV* 72dB(A)72dB(A)
Maximum Flow at 1,700 rpm Engine Speed 980l/min259gal/min
Relief Valve Setting - Steering 31000kPa4496psi
Steering System - Circuit Pilot, Load Sensing
Total Steering Angle 80 degrees
Steering System - Pump Piston, Variable Displacement
Oil Renewal System (ORS)* 75.7l20gal (US)
Ambient Capability Hydraulically Driven Demand Fan - Standard 43°C40.8°F
Front Axle Centerline to Bucket Tip 6503mm21.3ft
Rack Back Angle - Ground Level 39.7 degrees
Clearance at Maximum Lift 6167mm20.2ft
Ground to Top of ROPS 7118.5mm23.4ft
Maximum Overall Length 19508mm64ft
Rack Back Angle - Carry 53.7 degrees
Maximum Overall Height - Bucket Raised 11771mm38.6ft
Reach - Maximum Lift 2688mm8.8ft
Ground to Lower Hitch Clearance 898mm2.9ft
Reach - Maximum Lift 2821mm9.3ft
Rack Angle at Maximum Lift 59.5 degrees
Ground to Top of Exhaust Stacks 7067mm23.2ft
Maximum Overall Length 20102mm66ft
Ground to Bumper Clearance 1355mm4.4ft
Diesel Exhaust Fluid (DEF) (Tier 4 Final/Stage IV) 519l137gal (US)
Rack Back Angle - Ground Level 45.0 degrees
Tread Width 4300mm14.1ft
Ambient Capability Hydraulically Driven Demand Fan - High (Tier 4 Final) 53°C127.4°F
Ground to Bumper Clearance 1355mm4.4ft
Dump Angle at Maximum Lift –50.0 degrees
Sound Performance The measurement was conducted at 70 percent of the maximum engine cooling fan speed. Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Clearance at Maximum Lift 7095mm23.3ft
Operator Sound Level (ISO 6396:2008) - Tier 4 Final/EU Stage IV* 71dB(A)71dB(A)
Dump Angle at Maximum Lift –50.0 degrees
Rear Axle - Centerline to Bumper 6205mm20.4ft
Width - Over Tires - With Bulge 5758mm18.8ft
Ground to Center of Axles 1820mm6ft
Ambient Capability Hydraulically Driven Demand Fan - High (Tier 1 equivalent) 55°C131°F
Note *EU Stage V ready.
Steering Cycle Times - Low Idle 7.6s7.6s
Note (4) *Tier 4 Final/EU Stage IV configuration is ready to meet Stage V emission requirements once in effect.
Wheel Base 6800mm22.3ft
Machine Sound Level (ISO 6395:2008) 117dB(A)117dB(A)
Steering Cycle Times - High Idle 4.3s4.3s
Maximum Overall Height - Bucket Raised 12545mm41.2ft
Ground to Top of Hood 5682mm18.6ft
Width - Over Tires - With Bulge 5760mm18.8ft
Total Hydraulic Cycle Time - Empty Bucket 23.5s23.5s
Ground to Center of Axles 1820mm6ft
Net Power - SAE J1349 - High Ambient 1265kW1696hp
Note *Not available on Tier 4 Final machines. Not available in all regions.
Tread Width 4300mm14.1ft
Note Assumes 22.9 m3 (30 yd3) bucket for standard lift, and 21.4 m3 (28 yd3) bucket for high lift, fitted with Cat Advansys™ heavy duty tips. Assumes tire size 58/85-57.
B-Pin Height - Maximum Lift 8790mm28.8ft
Rack Back Angle - Carry 47.7 degrees
B-Pin Height - Maximum Lift 9647mm31.7ft
Note (1) The power ratings apply when tested under the reference conditions for the specified standard.
Ground to Top of Exhaust Stacks 7067mm23.2ft
Rear Axle - Centerline to Bumper 6205mm20.4ft
Front Axle Centerline to Bucket Tip 7097mm23.3ft
Note (2) The net power advertised is the power available at the flywheel when the engine is equipped with fan, alternator, air cleaner, and muffler.
Rack Angle at Maximum Lift 59.4 degrees
Ground to Lower Hitch Clearance 898mm2.9ft
Note (3) The gross power advertised is with the fan at maximum speed.
Ground to Top of Hood 5682mm18.6ft
Wheel Base 6800mm22.3ft
Ground to Top of ROPS 7118.5mm23.4ft
Note *EU Stage V ready.
Sound Performance The measurement was conducted at 70 percent of the maximum engine cooling fan speed. Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Note Assumes 22.9 m3 (30 yd3) bucket for standard lift, and 21.4 m3 (28 yd3) bucket for high lift, fitted with Cat Advansys™ heavy duty tips. Assumes tire size 58/85-57.
Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent 71dB(A)71dB(A)
Note Travel speeds based on 58/85-57 tires.